<!DOCTYPE html>
<html>
<head>
	<title></title>
</head>
<body>

<script type="text/javascript">

var arr = [6,5,7,10,8];

var brr = arr.some(val=>{
	return val > 4;
})

var crr = arr.every(val=>{
	return val > 4;
})

console.log( brr , crr );

</script>

</body>
</html>